[En] Regshot is an open-source(GPL) registry compare utility that allows you to quickly take a snapshot of your registry and then compare it with a second one - done after doing system changes or installing a new software product.

winPenPack is a free and open source project managed by developers who offer their work freely. Obviously, this project has costs (development, hosting, domain registrations) that need to be covered. If you wish to ensure for a long time yet the existence of winPenPack, it would be very much appreciated if you could make a donation.